1.size:28*6.1mm
2.impedance:8 ohm
3.RMS/max power:1.0/1.5mW
4.frequency:280-20K Hz

1.size:28*6.1mm
2.impedance:8 ohm
3.RMS/max power:1.0/1.5mW
4.frequency:280-20K Hz
5.FO(Hz):500±100

6.sensitivity(dB):79±3/1W 1M

7.material:rare earth